Cliths Square Celtic Knot Stencil Reusable Viking Spiral Symbol Template for Wall Canvas Tile Furniture Paper Painting Craft StencilCliths Plastic DIY Celtic Knot Stencil is developed as a functional art and craft base material for creators working with spiral geometry, symbolic motifs, and knot inspired pattern layouts. The square Celtic knot design is intended for controlled DIY artwork rather than finished decorative output. The stencil is produced from flexible plastic sheet material with a consistent thickness of 0. 5 mm (0. 05 cm 0. 02 inches). Precision laser cut detailing